In a human developmental biology class, you observe a fetus that has most of the organ systems formed. However, not all of the systems are functional yet. The fetus also has some distinct human features. This fetus is most likely in which trimester of development?
A) first trimester
B) second trimester
C) third trimester
D) fourth trimester

Question

Quizplus · Accepted Answer

The distinctly human features and nearly complete development of major organ systems occurs during the second trimester. There is no fourth trimester (meaning "three" and "monthly" from Latin).

In a Human Developmental Biology Class, You Observe a Fetus